223422782 has 16 divisors (see below), whose sum is σ = 381497472. Its totient is φ = 97140120.

The previous prime is 223422781. The next prime is 223422791. The reversal of 223422782 is 287224322.

223422782 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223422781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220268 + ... + 221279.

It is an arithmetic number, because the mean of its divisors is an integer number (23843592).

Almost surely, 2^223422782 is an apocalyptic number.

223422782 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

223422782 is a deficient number, since it is larger than the sum of its proper divisors (158074690).

223422782 is a wasteful number, since it uses less digits than its factorization.

223422782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441583.

The product of its digits is 21504, while the sum is 32.

The square root of 223422782 is about 14947.3336083731. Note that the first 3 decimals coincide. The cubic root of 223422782 is about 606.7956867779.

The spelling of 223422782 in words is "two hundred twenty-three million, four hundred twenty-two thousand, seven hundred eighty-two".